TBR: discovery/mojo: enable global discovery test

Change-Id: I00cb492bf30c1b36255181c9c3cc17f5fff98821
diff --git a/go/src/v.io/mojo/discovery/discovery.go b/go/src/v.io/mojo/discovery/discovery.go
index 6006cbf..29caf90 100644
--- a/go/src/v.io/mojo/discovery/discovery.go
+++ b/go/src/v.io/mojo/discovery/discovery.go
@@ -18,7 +18,6 @@
 
 	"v.io/v23"
 	"v.io/v23/context"
-	"v.io/v23/naming"
 
 	idiscovery "v.io/x/ref/lib/discovery"
 	fdiscovery "v.io/x/ref/lib/discovery/factory"
@@ -64,7 +63,6 @@
 		}
 		ns := v23.GetNamespace(d.ctx)
 		ns.SetRoots(name)
-		ns.CacheCtl(naming.DisableCache(true))
 	}
 }
 
diff --git a/mojoapptests b/mojoapptests
index 992d966..3d39823 100644
--- a/mojoapptests
+++ b/mojoapptests
@@ -6,7 +6,7 @@
     "test": "https://test.v.io/discovery_apptests.mojo",
     "test-args": [],
     "shell-args": ["--args-for=https://mojo.v.io/discovery.mojo --test-mode"],
-    "timeout": 120,
+    "timeout": 300,
   },
   # Testing dart apptests timeout failure with a large timeout value.
   # See https://github.com/vanadium/issues/issues/1278
@@ -15,6 +15,6 @@
     "type": "dart",
     "dart_strict_mode": True,
     "shell-args": ["--args-for=https://mojo.v.io/discovery.mojo --test-mode"],
-    "timeout": 120,
+    "timeout": 300,
   }
 ]